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US 5,965,499 AGranted
Cleaning methods and compositions for produce
AssigneeThe Procter & Gamble Company
InventorsBruce Prentiss Murch, Brian Joseph Roselle, Kyle David Jones
Life of this patent
Estimating the term…
Abstract
Acidic and basic cleaning compositions using toxicologically-acceptable ingredients for cleaning fruits and vegetables are provided. Clear liquid formulations comprising oleate, alcohol ethoxylates and buffers are sprayed onto apples, lettuce and the like to remove soil and unwanted deposits.
Claims6
A composition for cleaning fruits and vegetables at a basic pH, consisting essentially of:
- (a) optionally, from about 0.1% to about 4%, by weight of nonionic surfactant;
- (b) from about 0.1% to about 5%, by weight of soap selected from the group consisting of sodium oleate, sodium laurate, potassium oleate, potassium laurate, and mixtures thereof;
- (c) from about 0.2% to about 4% by weight of organic polycarboxylate detergency builder;
- (d) optionally, a toxicologically-acceptable basic buffer;
- and
- (e) the balance comprising an aqueous carrier selected from water and water-ethanol;
- wherein said composition has a pH of 9.7 or greater.
4 more elements
Dependencies are inferred from the claim text.